import os
import sys
def io_read():
with open('d:\\user\\users.txt','r') as a:
users= a.read()
def io_write(c):
with open('d:\\user\\users.txt','w') as a:
a.write(c)
a.close()
def io_writecsdn(name):
path ='d:\\user\\csdn\\'+'name'+'.txt'
with open(path,'w') as a:
a.write(c)
a.close()
def io_readcsdn(name):
path ='d:\\user\\csdn\\'+'name'+'.txt'
with open(path,'r') as a:
return a.read()
def zc():
a = os.listdir('d:\\user')if'user'in a:
b = os.listdir('d:\\user\\csdn')if'd:\\user\\csdn' not in b:
os.mkdir('d:\\user\\csdn')
else:
break
else:
os.mkdir('d:\\user\\csdn')
io_read()while True:
print("1、用户注册\n2、用户登录\n3、退出系统")
choice = input("请输入您的选择：")if choice =="1":
username = input("请输入您的用户名称：")
password = input("请输入您的密码：")
flag = False
for u in users:
if u.get(username) is not None:
flag = True
breakif flag:
print("用户名称已经存在，不能注册")
else:
user ={username:password}
print(user)
print(type(user))
c = str(user)
io_write(c)
print("注册成功")elif choice =="2":
username = input("请输入您的用户名称：")
password = input("请输入您的密码：")
flag = False
for u in users:
print(u)if u.get(username)== password:
flag = True
if flag:
print("登录成功")
print("1、发表文章\n2、修改自己发表的文章\n3、查看自己发表的文章\n4、查看所有文章\n5、退出系统")
choices = input("请输入您的选择：")if choices =='1':while True:
name = input('请输入发表文章的名字：')
a = os.listdir('d:\\user\\csdn')if name in a:
print('文章名已存在请重新输入：')
else:
return name
io_writecsdn(name)if choices =='2':if choices =='3':
a = os.listdir('d:\\user\\csdn')
print(a)
name = input('你要查看的文章：')
b = io_readcsdn(name):
print(b)if choices =='4':
a = os.listdir('d:\\user\\csdn')
print(a)if choices =='5':yes= input("您确定要退出系统吗(Y or y)？")ifyes=="Y" or yes=="y":
sys.exit()
else:
print("登录失败")elif choice =="3":yes= input("您确定要退出系统吗(Y or y)？")ifyes=="Y" or yes=="y":
sys.exit()
a.close()returnusers
def copy(a):
b = open('d:\\users.txt','wb')
b.write(a)
b.close()while True:
zc()
